Remote Code Execution Vulnerability in Atlassian Bitbucket Data Center
CVE-2022-26133

9.8CRITICAL

Key Information:

Vendor
Atlassian
Status
Bitbucket Data Center
Vendor
CVE Published:
20 April 2022

Badges

👾 Exploit Exists🟡 Public PoC

Summary

A security vulnerability exists in Atlassian Bitbucket Data Center, specifically in the SharedSecretClusterAuthenticator component. This flaw allows a remote, unauthenticated attacker to execute arbitrary code, potentially leading to significant security breaches. The vulnerability arises due to improper handling of Java deserialization, making systems running versions from 5.14.0 up to 7.20.0 susceptible if not properly patched. Users are urged to update their installations promptly to mitigate potential threats.

Affected Version(s)

Bitbucket Data Center 5.14.0

Bitbucket Data Center < 7.6.14

Bitbucket Data Center 7.7.0

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2022-26133
Created by Pear1y

CVE-2022-26133
Created by 0xAbbarhSF

References

https://jira.atlassian.com/browse/BSERV-13173
x_refsource_MISC
https://confluence.atlassian.com/security/multiple-produc...
x_refsource_MISC

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

.